features extra large 12 digits display and multiple keys. It equipped with four standard arithmetic functions, change sign (+/-)key, GT key, square root key, 4 memory keys, mark-up/mark-down key(MU), and percent key to meet your kinds of needs. Features: Easy-to-read, clear and extra large 12 digits display, great for large calculations. Dual power supply, solar and back-up battery(not included) to prolong using time. Durable metal panel, wide keyboard and comfortable plastic keys, easy for operation. GT function for calculate the total sum of amounts generated. 4 memory keys, square root key, change sign key(+/-), mark-up/mark-down key(MU) and percent key, make it most useful for users. Ergonomically tilted design, comfortable for input and reading data. Auto power-off, low power consumption, environmentally friendly. Perfect for school, office work and home use.
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